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Engine Cooling System: General Description: Specification: Notes

Cooling system Electric fan + Forced engine coolant circulation system
Total engine coolant capacity L (US qt, Imp qt) 7.6 (8.0, 6.7)
Water pump Type Centrifugal impeller type
Discharge performance Discharge rate L (US gal, Imp gal)/min. 240 (63.4, 52.8)
Pump speed - Discharge pressure 4, 956 rpm - 140 kPa (14.0 mAq)
Engine coolant temperature 80°C (176°F)
Impeller diameter mm (in) 66 (2.60)
Number of impeller blades 8
Pump sprocket outer diameter mm (in) 60.60 (2.39)
Thermostat Type Wax pellet type
Starting temperature to open 80 - 84°C (176 - 183°F)
Fully opens 95°C (203°F)
Valve lift mm (in) 9.0 (0.354) or more
Valve bore mm (in) 35 (1.38)
Radiator fan Motor input Main fan W 200
Sub fan W 200
Fan diameter / Blade Main fan 320 mm (12.6 in)/5
Sub fan 320 mm (12.6 in)/7
Radiator Type Cross flow, pressure type
Core dimensions Width x Height x Thickness mm (in) 674.2 x 478.6 x 27 (26.543 x 18.842 x 1.06)
Pressure range in which cap valve is open kPa (kg/cm2 , psi) Positive pressure side Standard 73.6 - 103.0 (0.75 - 1.05, 11 - 15)
Limit 63.6 (0.65, 9)
Negative pressure side Standard -1.0 - -4.9 (-0.01 - -0.05, -0.1 - -0.7)
Fins Corrugated fin type
Reservoir tank Capacity L (US qt, Imp qt) 0.45 (0.48, 0.40)
  Recommended materials Item number Alternative
Coolant SUBARU SUPER COOLANT (Concentrated type) - -
SUBARU SUPER COOLANT (Diluted type) K0670Y0001
Water for dilution Distilled water - Soft water or tap water
Cooling system protective agent Cooling system conditioner SOA345001 -